The invention relates to a mixed insulation structure of a B-type independent liquid cargo tank and a construction method of the mixed type insulation structure. The insulation structure is a mixed type insulation structure formed by insulation plates and overall spraying insulation, and comprises a plurality of insulating layers and fastening mechanisms, and the insulating plate is fixed on the main shield through the fastening mechanisms to form a plate-type insulating layer; a cushion block made of a low-temperature-resistant material is arranged at the bottom of the insulating plate to form a leakage channel; the insulation structure further comprises a first crack arrest layer which is laid on the plate-type insulating layer, a spraying insulating layer which covers the first crack arrest layer and is used for forming integral closed insulation, and a protective layer which covers the spraying insulating layer and is used for forming airtight protection; and the spraying insulating layer comprises a plurality of spraying layers and a crack arrest layer. The structure has the advantages that the heat insulation requirement of the B-type independent liquid cargo tank is met, different insulation forms of the cold layer and the warm layer are met, it is guaranteed that a leakage channel is unblocked, the pressure bearing capacity is good, the liquid tightness and the air tightness are good, the whole structure is not prone to cracking, cracking is avoided in a high-stress area, construction is easy and reliable, and the construction cost is low.

    本发明涉及一种B型独立液货舱的混合式绝缘结构及其施工方法,其中绝缘结构为绝缘板和整体喷涂绝缘的混合式绝缘结构;包括若干绝缘层和紧固机构,绝缘板通过紧固机构固定在主屏蔽上形成板式绝缘层;所述绝缘板底部装有耐低温材料的垫块,形成泄漏通道;还包括铺设于所述板式绝缘层上的第一层止裂层、覆盖在第一层止裂层上用于形成整体密闭绝缘的喷涂绝缘层、和覆盖在喷涂绝缘层上用于形成气密保护的保护层;所述喷涂绝缘层包括多层喷涂层和止裂层。有益效果是满足B型独立液货舱隔热要求,冷层和暖层的不同绝缘形式,保证了泄漏通道畅通承压能力好,且液密气密性好,不仅整体不易开裂,在高应力区也避免了开裂,且施工简单可靠、建造成本低。


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    Title :

    Mixed insulation structure of B-type independent liquid cargo tank and construction method of mixed insulation structure


    Additional title:

    一种B型独立液货舱的混合式绝缘结构及其施工方法


    Contributors:
    YAO HAO (author) / QIAO MENG (author)

    Publication date :

    2022-01-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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